1729-519X 1729-519X S1729-519X2019000300376 Peru 00 06 2019 00 06 2019 18 3 376 380 1 2012 35 3 3 469-80 2 2016 2016 Cusco, Perú 165-9 3 2014 4 2015 5 2012 33 3 3 17-183 6 2015 68 6 6 617-26